求翻译：检查过程：该车为公交车，运行里程11000公里。公交公司反映燃油中有过水，初步分析油嘴针阀可能卡死。在确认电路无故障后，另接一缸喷油器向外，起动发动机观察喷油器喷油情况，均无喷油，于是判断为轨压无法建立，更换油泵后故障依旧。再拆开所有喷油器回油管起动发动机观察喷油情况，发现第二缸喷油器回油量过大，更换该缸喷油器后，发动机顺利起动，故障排除。是什么意思？

The inspection process: the car for the bus, run length of 11,000 km. The bus company to reflect the fuel in the water, preliminary analysis of the nozzle needle valve may be stuck. Confirm circuit trouble-free, have received an additional one-cylinder injector out, start the engine observe the fuel